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Nevin Manimala Statistics

Systematic review and meta-analysis of the related factors for diabetic retinopathy

Ann Palliat Med. 2022 Jul;11(7):2368-2381. doi: 10.21037/apm-22-437.

ABSTRACT

BACKGROUND: The related factors of diabetic retinopathy (DR) had attracted the attention of many scholars, and a large number of articles had been published, but the research results were not consistent. A meta-analysis was conducted to synthesize recent evidence, aiming at exploring the relationship between DR and multiple risk factors.

METHODS: The China National Knowledge Infrastructure, VIP, Wanfang, PubMed, Embase, Medline, and Cochrane databases were searched. The English and Chinese keywords included diabetes mellitus, DM, diabetic retinopathy, DR, and risk factors. In case-control study, the subjects are DR patients and NDR patients. In the cohort study, the subjects were diabetic patients. Measures in the intervention and control groups were described in detail. The methodological quality of the included literature was assessed using the Newcastle-Ottawa Scale (NOS). Egger’s test is used to identify publication bias. With odds ratio (OR) as the effect index, heterogeneity test was conducted, and fixed effect model or random effect model was selected to calculate the combined OR and 95% CI.

RESULTS: The meta-analysis included 12 literatures and 13 related risk factors, of which 4 (33.33%) were cohort studies and 8 (66.66%) were case-control studies. NOS shows that there are 7 references with 8 points (58.33%), 4 references with 7 points (33.33%) and 1 reference with 6 points (8.33%). The risk factors associated with the occurrence of DR were: course of diabetes (OR =1.03, 95% CI: 1.02-1.03), systolic blood pressure (OR =1.01, 95% CI: 1.01-1.02), body mass index (OR =0.96, 95% CI: 0.94-0.99), HbA1c (OR =1.08, 95% CI: 1.06-1.10), total cholesterol (OR =1.20, 95% CI: 0.98-1.46), high-density lipoprotein cholesterol (OR =1.74, 95% CI: 1.19-2.56), fasting blood glucose (OR =1.19, 95% CI: 1.13-1.26), and hypertension (OR =1.25, 95% CI: 1.07-1.47), and the overall effect test results were statistically significant. Sensitivity analysis results show that the random effect model is used for meta-analysis of all Meta, and the combined OR is 1.10, and the 95% CI is (1.05, 1.15).

DISCUSSION: The occurrence of DR was related to the course of diabetes, SBP, HbA1c, total cholesterol, high-density lipoprotein cholesterol, fasting blood glucose, and hypertension which provided a more intuitive and comprehensive scientific basis for the prevention and treatment of DR.

PMID:35927772 | DOI:10.21037/apm-22-437

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Nevin Manimala Statistics

Comparative study of the modified transtibial technique and the transportal technique in anterior cruciate ligament reconstruction

Ann Palliat Med. 2022 Jul;11(7):2360-2367. doi: 10.21037/apm-21-2460.

ABSTRACT

BACKGROUND: This study sought to compare the efficacy of the modified transtibial (TT) technique and the transportal (TP) technique in arthroscopic anterior cruciate ligament (ACL) reconstruction.

METHODS: This study retrospectively analyzed the clinical data of 74 patients (74 knees) who underwent ACL reconstruction using a single bundle of autologous hamstring tendon graft from October 2013 to September 2017. Forty-one knees were reconstructed using the TT technique (the TT group), and 33 were reconstructed using the TP technique (the TP group). There was no statistically significant difference between the two groups (P>0.05) in terms of age, sex, follow-up time, time from injury to operation, left and right knees, body mass index, and preoperative International Knee Documentation Committee (IKDC) score, Tegner Activity score (Tegner score), Lysholm score, Lachman test results, and Pivot-Shift test results.

RESULTS: The incisions in both groups were healed by first intention, and no early postoperative complications occurred. All patients attended follow-up appointments. The TT group had a follow-up period of 24-46 months (average follow-up time: 27.3 months). The TT group had a follow-up period of 24-38 months (average follow-up time: 26.3 months). Two years after surgery, the IKDC, Lysholm, and Tegner scores of the two groups were significantly improved compared to those before surgery (P<0.05), and there was no statistically significant difference between the two groups in relation to these scores (P>0.05). There was also no statistically significant difference in the Lachman and Pivot-Shift test results between the two groups (P>0.05).

CONCLUSIONS: Both the TT and TP techniques provide satisfactory efficacy in ACL reconstruction.

PMID:35927771 | DOI:10.21037/apm-21-2460

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Nevin Manimala Statistics

Knowledge and practice of essential newborn care and associated factors among women in Ethiopia: systematic review and meta-analysis

Reprod Health. 2022 Aug 4;19(1):172. doi: 10.1186/s12978-022-01480-0.

ABSTRACT

BACKGROUND: In developing countries, including Ethiopia the risk of neonatal death can be easily prevented and avoided by implementing essential newborn care with simple, low cost, and a short period time immediately after delivery. However, the problem is still persisting due to lack of adequate maternal and newborn care practice. Hence, this review aimed to estimate the pooled prevalence of women’s knowledge and practice of essential newborn care and its associated factors in Ethiopia using systematic review and meta-analysis.

METHOD: An intensive literature search was performed from PubMed, Google Scholar, EMBASE, HINARI, Scopus, and Web of Sciences from April 1-30, 2021. Data were extracted by using a pre-tested and standardized data extraction format. The data were analyzed by using STATA 14 statistical software. I2 tests assessed heterogeneity across the included studies. A random-effect model was used to estimate the pooled prevalence of knowledge and practice of essential newborn care.

RESULTS: From 1275 identified studies, 25 articles were included. The national pooled prevalence of essential newborn care knowledge and practice among women was 55.05% and 41.49% respectively. Secondary education (AOR = 2.75, 95% CI 1.62, 4.66), multiparity (AOR = 2.14, 95% CI 1.41, 3.26), antenatal care (AOR = 2.94; 95% CI 2.03, 4.26), and postnatal follow-up (AOR = 1.64, 95% CI 1.20, 2.23) were significantly associated with knowledge level whereas; primary education (AOR = 7.08, 95% CI 4.79, 10.47), urban residency (AOR = 2.22, 95% CI 1.65, 3.00), attending monthly meetings (AOR = 2.07, 95% CI 1.64, 2.62), antenatal care (AOR = 2.89, 95% CI 1.97, 4.26), advised during delivery (AOR = 2.54, 95% CI 1.80, 3.59), postnatal follow-up (AOR = 7.08, 95% CI 4.79, 10.47) and knowledge (AOR = 2.93; 95% CI 1.81, 4.75) were statistically significant with essential newborn practice.

CONCLUSIONS: The current systematic review and meta-analysis findings reported that the level of knowledge and practice of essential newborn care among Ethiopian women was low. Therefore, improvement of essential newborn through the provision of community-based awareness creation forum, improving antenatal and postnatal care follow up, education on essential newborn care to all pregnant and postnatal women are very important. Trial registration Prospero registration: CRD 42021251521.

PMID:35927762 | DOI:10.1186/s12978-022-01480-0

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Nevin Manimala Statistics

BASS: multi-scale and multi-sample analysis enables accurate cell type clustering and spatial domain detection in spatial transcriptomic studies

Genome Biol. 2022 Aug 4;23(1):168. doi: 10.1186/s13059-022-02734-7.

ABSTRACT

Spatial transcriptomic studies are reaching single-cell spatial resolution, with data often collected from multiple tissue sections. Here, we present a computational method, BASS, that enables multi-scale and multi-sample analysis for single-cell resolution spatial transcriptomics. BASS performs cell type clustering at the single-cell scale and spatial domain detection at the tissue regional scale, with the two tasks carried out simultaneously within a Bayesian hierarchical modeling framework. We illustrate the benefits of BASS through comprehensive simulations and applications to three datasets. The substantial power gain brought by BASS allows us to reveal accurate transcriptomic and cellular landscape in both cortex and hypothalamus.

PMID:35927760 | DOI:10.1186/s13059-022-02734-7

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Nevin Manimala Statistics

Challenges imposed by the COVID-19 pandemic on the Obstetrics and Gynecology residency program: a mixed-methods Swedish survey in the COPE Staff cohort study

BMC Med Educ. 2022 Aug 5;22(1):602. doi: 10.1186/s12909-022-03631-0.

ABSTRACT

BACKGROUND: To outline how the training program and work situation of residents in Obstetrics and Gynecology (OB-GYN) was affected by the pandemic and to illuminate how residents experienced these changes.

METHODS: As part of the COVID-19 in Pregnancy and Early Childhood Staff (COPE Staff) cohort study, between January and May 2021, all participating residents were invited to answer a 28-question online Resident Survey focusing on their specialist education, work situation and experiences during the COVID-19 pandemic. Descriptive statistics were given in percentages for categorical variables and means and standard deviations (SD) for continuous variables. Univariate comparative analyses were performed with the use of the Pearson’s Chi-2-test for dichotomous data. The association between residents’ worry about the quality and length of their specialist training, with extra clinical hours and transfer to other healthcare institutions were assessed by multivariate logistic regression. Free text responses were analyzed by content analysis.

RESULTS: Of the 162 participating OB-GYN residents, 69% expressed concern that the pandemic would have a negative impact on their training. Ninety-five (95%) reported cancellation/postponement of educational activities, 70% performed fewer surgeries and 27% had been transferred to other healthcare institutions where about half reported having gained more general knowledge as a physician. Working extra clinical hours was reported by 69% (7.4 ± 5.3 hours per week) and 14% had considered changing their profession due to the pandemic. Senior residents, compared to junior residents, more often experienced cancelled/postponed clinical rotations (30% vs 15%, P=0.02) and reported performing fewer surgeries (P=0.02). The qualitative analysis highlighted the lack of surgical procedural training as a major concern for residents.

CONCLUSION: The COVID-19 pandemic has strongly impacted the training program and work situation of OB-GYN residents in Sweden. Residents were concerned over the negative impact of the pandemic on their training program and senior residents reported more missed educational opportunities as compared to junior residents. Program directors, head of institutions and clinical supervisors can use the problem areas pinpointed by this study to support residents and compensate for missed educational opportunities. While hands-on-training and operating time cannot be compensated for, the authors hope that the findings of the study can help develop new strategies to minimize the negative impact of the current and future pandemics on resident education and work situation.

PMID:35927725 | DOI:10.1186/s12909-022-03631-0

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Nevin Manimala Statistics

Results from a cervical cancer screening program in Samsun, Turkey

BMC Womens Health. 2022 Aug 4;22(1):331. doi: 10.1186/s12905-022-01916-6.

ABSTRACT

BACKGROUND: Cervical cancer is a preventable disease. This study aimed to share the results of the national cervical cancer screening program performed in primary health care institutions in Samsun between 2015 and 2019.

METHODS: Women aged 30-65 years who were screened for cervical cancer in screening centers of Samsun between January 01, 2015, and December 31, 2019, were included in this descriptive study. The data were obtained from the automation program of the “National Human Papilloma Virus (HPV) Laboratory Application” used by the Provincial Directorate of Health Cancer Unit through filtering the completion time of the tests, and all results were evaluated without sampling. Thus, data were presented using descriptive statistics.

RESULTS: The mean age of 89,302 women included in the cervical cancer screening program was 45.9 ± 9.0 years. Of the samples obtained from the participants, 1.0% were determined as insufficient material, 94.1% as HPV-negative, and 4.9% as HPV-positive. The most common HPV genotypes were 16, 51, 31, and 52. Of the 4337 HPV-positive women, 74.7% of the pap smear results were negative (including infection, 36.5%), and the most common premalignant lesions were atypical squamous cells of undetermined significance in 7.1% and low-grade squamous intraepithelial lesions in 6.9%. HPV 16/18 was also observed in 31.7% of HPV-positive women. Seven hundred ninety-five women were referred to a specialist physician for further examination and treatment within the scope of the screening algorithm.

CONCLUSION: Detecting HPV-positivity by reaching more women within the national cervical cancer screening program’s scope is vital in fighting against this disease. The effectiveness of cancer screening programs should be increased by ensuring community participation through awareness activities.

PMID:35927723 | DOI:10.1186/s12905-022-01916-6

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The effect of virtual cognitive-behavioral sexual counseling on sexual function and sexual intimacy in pregnant women: a randomized controlled clinical trial

BMC Pregnancy Childbirth. 2022 Aug 4;22(1):616. doi: 10.1186/s12884-022-04932-4.

ABSTRACT

BACKGROUND & AIM: Pregnancy is associated with numerous physical and psychological changes and affects the sexual function of couples. Since the root of many marital problems lies in the quality of the relationship and sexual function, the present study investigates the effect of virtual cognitive-behavioral sexual counseling on pregnant women’s sexual function and intimacy.

METHODS & MATERIALS: This study is a randomized clinical trial, and 80 pregnant women aged 18 to 35 years and in 16-24 weeks of pregnancy were assigned to two intervention and control groups based on randomized blocks from June 2021 to July 2021. The control group received routine prenatal care, but the intervention group, in addition to routine prenatal care, underwent virtual counseling with a cognitive-behavioral approach during eight sessions of 90 minutes. Data were collected using the Female Sexual Function Index (FSFI) and sexual intimacy questionnaire. SPSS software was used for statistical analysis.

RESULTS: The comparison of mean scores of sexual function and intimacy in the two groups before the intervention was not statistically significant with each other. However, after the intervention, the mean scores of sexual function and intimacy in the intervention group were significantly increased compared to the control group (p < 0.001). The effect size of the intervention was 0.52 for sexual function and 0.272 for sexual intimacy.

CONCLUSION: Virtual cognitive-behavioral counseling can be used as an effective treatment to promote sexual function and intimacy of women during pregnancy.

TRIAL REGISTRATION: IRCT20161230031662N10. Registry date: 21/06/2021.

PMID:35927705 | DOI:10.1186/s12884-022-04932-4

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Nevin Manimala Statistics

Clinical observations on infliximab treatment of infantile onset Takayasu arteritis

Pediatr Rheumatol Online J. 2022 Aug 4;20(1):61. doi: 10.1186/s12969-022-00708-4.

ABSTRACT

BACKGROUND: There is insufficient evidence on the clinical effectiveness and safety of infliximab (IFX) treatment of Takayasu arteritis (TA) in infants.

METHODS: We evaluated the therapeutic effectiveness and safety of IFX in a retrospective case series of 10 infantile TA patients. Observations included assessment of clinical symptoms, laboratory testing, and vascular imaging.

RESULTS: Fever was the presenting symptom for 8 of 10 infants with TA. During acute episodes, leucocyte and inflammatory indices were significantly increased. Vascular imaging showed the most commonly involved arteries to be carotid arteries, abdominal aortas, and coronary arteries (9 cases, 90%). Two weeks after initiating IFX treatment, leukocyte and platelet counts decreased and hemoglobin levels increased. There were statistically significant clinical improvements 6 weeks after starting treatment compared with before treatment (p < 0.05). Inflammatory indices decreased 2 weeks after starting IFX treatment compared with before treatment (p < 0.05). Vascular lesions began to recover within 1.5-3 months of initiating IFX therapy, and involved vessels significantly recovered within 13 months. Some arteries remained stenotic, with intimal thickening and uneven lumen wall thicknesses. The only adverse event was a treatment-responsive allergic reaction during IFX infusion in one infant.

CONCLUSIONS: Fever was the main manifestation of illness and was often accompanied by significantly increased inflammatory indices. IFX treatment was apparently effective and reduced or eliminated need for glucocorticoids. IFX had a reasonably good safety profile.

PMID:35927694 | DOI:10.1186/s12969-022-00708-4

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Nevin Manimala Statistics

Knowledge on anaemia and benefit of iron-folic acid supplementation among pregnant mothers attending antenatal care in Woldia town, Northeastern Ethiopia: a facility-based cross-sectional study

J Health Popul Nutr. 2022 Aug 4;41(1):32. doi: 10.1186/s41043-022-00315-9.

ABSTRACT

BACKGROUND: Anaemia in pregnancy is the leading cause of maternal morbidity and mortality and poor birth outcomes in low- and middle-income countries. The most common cause of anaemia during pregnancy is acute blood loss and iron deficiency due to physiological changes and increasing demand for iron on the mother and growing foetus. Iron and folic acid supplementation is the most widely employed strategy to alleviate iron deficiency anaemia during pregnancy. The mother’s knowledge of anaemia and the benefit of iron-folic acid is crucial in reducing the magnitude of anaemia due to iron deficiency. In Woldia town, despite the efforts made to reduce iron deficiency anaemia during pregnancy, information on pregnant mother knowledge on anaemia and the benefit of iron-folic acid and its associated factors are scarce.

METHODS: A facility-based cross-sectional study design was conducted, on 414 pregnant mothers attending antenatal care in Woldia town, Northern Ethiopia. Systematic random sampling methods were used to select study participants. The data were entered into Epi-data version 4.2 and analysed using SPSS version 24. Bivariable and multivariable analysis was done to see the association between the dependent variable and independent variables.

RESULTS: This study revealed that 54.1% and 57.7% of pregnant women had good knowledge of anaemia and the benefit of iron-folic acid, respectively. Maternal education status (AOR = 2.19, 95% CI 1.32-3.64), good knowledge of iron-folic acid (AOR = 5.85, 95% CI 3.60-9.50) and residence (AOR = 5.43, 95% CI 2.36-12.51) were statistically associated with pregnant mothers knowledge on anaemia. Obtained counselling on the benefit of iron-folic acid (AOR = 2.04, 95% CI 1.11-3.75), having four or more antenatal care visit (AOR = 3.12, 95% CI 1.38-7.07) and good knowledge of anaemia (AOR = 5.88, 95% CI 3.63-9.50) was statistically associated with pregnant mothers knowledge on the benefit of iron-folic acid.

CONCLUSIONS: Promoting frequent antenatal care visits and giving counselling on the benefit of iron-folic acid and cause, prevention and treatment of anaemia were essential strategies to raise knowledge of pregnant mother on anaemia and the benefit of iron-folic acid.

PMID:35927693 | DOI:10.1186/s41043-022-00315-9

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Comparison of post-operative outcomes after open or closed surgical techniques to stabilize metacarpal and metatarsal fractures in dogs and cats

BMC Vet Res. 2022 Aug 4;18(1):300. doi: 10.1186/s12917-022-03404-3.

ABSTRACT

BACKFROUND: Treatment options for metacarpal/metatarsal fractures include conservative and surgical management. The aim of this study is to determine whether there is any significant difference in healing and complication rates, between open and closed treatment. Medical records of dogs and cats with metacarpal/metatarsal fractures with complete follow-up were retrospectively reviewed. Patients were allocated in two groups: open or closed stabilization. Minor and major complications were recorded and compared. Fracture healing was classified as good, delayed and non-union, and it was statistically compared.

RESULTS: Sixty-three patients (35 dogs and 28 cats) were included. Thirty-one were treated with an open approach and 32 by a closed stabilization. Regarding fracture healing a significantly higher proportion of delayed healing/non-union was found in the closed group (12/32 vs 2/31). Regarding postoperative complications, a significantly higher number of animals in the open group did not develop any complications (12/31 vs 3/32). A significantly higher proportion of minor complications were reported in the closed group (27/32 vs 12/31). However, a higher number of major complications was reported in the open group (7/31 vs 2/32) although this was not statistically significant. Fracture malalignment was significantly more prevalent in patients undergoing closed stabilization (11/32 vs 2/31).

CONCLUSION: According to the results, better healing, fracture alignment and a lower complication rate are found when fractures are stabilised with an open technique. However, other factors such as configuration of the fracture, soft tissue involvement, patient´s character and client´s situation would also need to be taken into account in the decision of stabilization technique.

PMID:35927668 | DOI:10.1186/s12917-022-03404-3